using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;

[StructLayout(LayoutKind.Sequential)]
[Serializable]
public struct Quaternion
{
    public char[] bone0;
    public char[] bone1;
    public Int16 qw;
    public Int16 qx;
    public Int16 qy;
    public Int16 qz;

    public override string ToString()
    {
        return $"{qw} {qx} {qy} {qz}";
    }
}


class Program
{
    private static byte[] Serialize<T>(T obj)
    {

        IFormatter formatter = new BinaryFormatter();
        using (MemoryStream stream = new MemoryStream())
        {
            formatter.Serialize(stream, obj);
            return stream.ToArray();
        }
    }

    private static T Deserialize<T>(byte[] param)
    {
        using (MemoryStream ms = new MemoryStream(param))
        {
            IFormatter br = new BinaryFormatter();
            return (T)br.Deserialize(ms);
        }
    }
    static void Main(string[] args)
    {
        var bytes = Serialize(new Quaternion { qw = 1, qx = 2, qy = 3, qz = 4 });
        var obj = Deserialize<Quaternion>(bytes);
        Console.WriteLine(obj);
    }
}